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A128894 as a simple table

na(n)
13
28
327
414
577
6273
728
8300
91925
108918
1152
121053
1312376
14100776
15627912
1678
172430
1843758
19537966
204969107
2136685506
22133
237371
24238602
255248750
2685709988
271101296924
2811604306012
29190
3015504
31749360
3224732110
33605537790
3411619550320
35181746027600
362386644625950

[3,8,27,14,77,273,28,300,1925,8918,52,1053,12376,
 100776,627912,78,2430,43758,537966,4969107,
 36685506,133,7371,238602,5248750,85709988,
 1101296924,11604306012,190,15504,749360,24732110,
 605537790,11619550320,181746027600,2386644625950]